Radioactivity Review
Across
- 3. This type of radiation particle is capable of penetrating only the very outer layer of living skin cells.
- 5. The charge on an alpha particle
- 8. The breakdown of an unstable, radioactive element from a parent element into a daughter element.
- 11. Common shield for gamma waves.
- 12. This occurs when an unstable nucleus breaks down into two smaller nuclei and releases energy.
- 15. The charge on a beta particle.
- 16. using the known half-life and proportions of a sample to determine the age of something.
- 18. a beta particle
- 20. This type of radiation can pass through the body sometimes causing health effects.
- 21. One of two or more forms of the same element.
Down
- 1. This is a heavy element which can fission. It undergoes beta decay to become Americium.
- 2. This common material can shield alpha particles.
- 4. A particle that is the antimatter opposite of an electron.
- 6. This type of radiation causes the most damage once it gets inside the body.
- 7. The time period during which a radioactive isotope decays to half its value is called this.
- 9. this doesn't change with beta particle emission.
- 10. This chronic health effect can occur due to radiation exposure.
- 13. This element is a common alpha particle emitter.
- 14. This type of naturally-occurring radioactive gas is the most common cause of lung cancer in non-smokers.
- 17. This is a highly radioactive man-made gas. It is an isotope of hydrogen and sometimes found in heavy water.
- 19. The breakdown of an unstable, radioactive element from a parent element into a daughter element.